Thursday
December 18, 2014

Search: TENSION

Number of results: 2,435

Physics
a rock suspended from a string moves downwards at constant a=g. Which of the following is true concerning the tension in the string? a) the tension is zero b)the tension is equal to the weight of the rock c)the tension is less to the weight of the rock d)the tension is greater...
November 14, 2007 by Andrea

physics
TRIAL 1 A. ) Bag A + 6 stones Mass (kg) - 0.037 kg Mass of weight hanger + slotted weights - 210 g/ 0.21kg Tension 1 (N) - ?? Acceleration (m/s2) - ?? B. ) Bag B + 4 stones Mass (kg) - 0.08 Mass of weight hanger + slotted weights - 210 g/ 0.21kg Tension 1 (N) - ?? Acceleration...
May 4, 2011 by nik

Physics( Explain and choose right answer)
A ball on the end of a rope is moving in a vertical circle near the surface of the earth. Point A F T is at the top of the circle; C is at the bottom. Points B and D are exactly halfway between A and C. Which one of the following statements concerning the tension in the rope ...
March 24, 2014 by Dan

Waves & Tension
A 5.9 m wire with a mass of 79 g is attached to the mast of a sailboat. If the wire is given a "thunk" at one end, it takes 0.087 s for the resulting wave to reach the other end. 1. What is the tension in the wire? 2. Calculate the tension for a 89-g wire. --- I don't know how...
December 2, 2012 by Brienne

CHemistry...Please help
Rank these liquids by their expected surface tension. Rank from greatest to least surface tension. 1.CH3CH2OCH3 2.CH3CH2CH2-OH 3.CH3CHOHCH2-OH 4.HO-CH2CHOHCH2-OH So as Dr. Bob mentioned to me before surface tension is how the surface molecules stick together. Does that mean 1 ...
January 19, 2009 by Saira

College Science
A chandelier is suspended by two identical, vertical chains side by side. The chandelier's mass is m = 5.3 kg. A. If the tension in one chain is represented by T, write an expression for this tension in terms of m and g, the gravitational acceleration on the Earth's surface. ...
October 9, 2014 by Sam

physics
A 5.9 m wire with a mass of 79 g is attached to the mast of a sailboat. If the wire is given a "thunk" at one end, it takes 0.087 s for the resulting wave to reach the other end. 1. What is the tension in the wire? 2. Calculate the tension for a 89-g wire. --- I don't know how...
December 2, 2012 by Brienne

physics
An elevator with a wieght of 27.8 kN is given an upward acceleration of 1.22 m/s^2 by a cable. a) what is the tension in the cable. b) what is the tension when the elevator is declerating at the rate of 1.22m/s^2 but is still moving upwards? what exactly is a kN? to find the ...
November 13, 2006 by Chris

physics
A string is hanging from the rearview mirror of you car and a ball is at the end of this string. Suppose that your drive around a circular track at fixed speed. Which list below gives all the forces that act on the ball? A) tension and the force of gravity b) tension force of ...
November 21, 2009 by jon

Physics
You pull downward with a force of 27 N on a rope that passes over a disk-shaped pulley of mass 1.3 kg and radius 0.075 m. The other end of the rope is attached to a 0.61 kg mass. Find the tension in the rope on both sides of the pulley. I found that the tension on the side you...
March 21, 2010 by Mary

physics
A 5 000-N weight is held suspended in equilibrium by two cables. Cable 1 applies a horizontal force to the right of the object and has a tension, T1. Cable 2 applies a force upward and to the left at an angle of 37.0 to the negative x axis and has a tension, T2. What is the ...
September 18, 2011 by Susan

physics
A string is hanging from the rearview mirror of you car and a ball is at the end of this string. Suppose that you drive around a circular track at fixed speed. Which list below gives all the forces that act on the ball? A) tension and the force of gravity b) tension force of ...
November 23, 2009 by julia

Physics
What is surface tension and what does tension in surface mean. Definition of tension?
April 28, 2010 by Akashdeep Singh

physics
A picture hangs on the wall suspended by two strings, with = 61. The tension in string 1 is 1.8 N. is connected to string 1, and 32 is connected to string 2. (a) Is the tension in string 1 greater than, less than, or equal to the tension in string 2? greater than less ...
September 30, 2010 by jack

physics
A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 192 N and is 3.4 m long. What is the tension in each rope when the 708-N worker stands 2.40 m from one end? Smaller tension: ___N Larger tension: ___N
April 4, 2013 by Dan

Physics
A 0.20-kg ball on a string is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the string tension is 16 N. Find the tensions in the string when the ball is at twelve o'clock and at the six o'clock positions. * Physics - ...
October 6, 2009 by Sanjna

physics
can some one help me with coming with a better way to word theses annswers. As the angle increases, what happens to the tension in the string? *the the tension in the string will get tighter or larger for t1 What would you have to do to the angle to make the tension in the ...
October 20, 2010 by Derek

physics
can some one help me with coming with a better way to word theses annswers. As the angle increases, what happens to the tension in the string? *the the tension in the string will get tighter or larger for t1 What would you have to do to the angle to make the tension in the ...
October 20, 2010 by derek

college physics
If the initial tension in the string is (2.10+/- 0.02)N, what is the tension that would double the wave speed?
March 20, 2013 by Anonymous

physics
an 6lb object is hanging from a 10lb object which in turn is hanging from a ceiling. need to find tension(T1) of rope from ceiling to 10lb object and tension(T2) from the 10lb object to the 6lb object. please, need assitance in trying to set up the problem. thanks Tension is a...
September 25, 2006 by greg

physics
Transverse waves propagate at 17 {\rm m/s} on a string whose tension is 15 {\rm N}. What will be the wave speed if the tension is increased to 50 {\rm N}?
November 10, 2010 by Anonymous

physics
maximum tension in the string of an oscillating pendulum is double of the minimum tension. Then angular amplitude is
December 21, 2010 by Anonymous

physics
A 0.21 kg ball on a string is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the tension is 18 N. (c) Is the tension in the string greater when the ball is at the twelve o'clock position or when it is at the six o'clock ...
April 4, 2008 by Johnathan

physics
1. Two identical 15.0 kg balls, each 25.0 cm in diameter, are suspended by two 35.0 cm wires as shown in the figure. The entire apparatus is supported by a single 18.0 cm wire, and the surfaces of the balls are perfectly smooth. Find the tension in the left 35.0 cm wire. 2. ...
September 25, 2012 by Anonymous

Physics
tension in the cord is made up of weight mg, and centripetalforce directed outward. Add those as vectors to get tension. Period=2PIsqrt(l/g)
November 4, 2009 by bobpursley

physics
Two blocks are connected by strings and hung from the ceiling as shown. Tension T1 is 187 N and tension T2 is 78 N. Find the mass of each block.
November 1, 2012 by tomas

physics
25 gram mass is given an upward acceleration of 30 m/s^2 by a rope. need help finding tension in the rope? not sure how to set up the problem?? Tension is the reaction force. Clearly you have two forces in opposite directions. Let T be the tension in the rope. The net force ...
September 25, 2006 by greg

physics
An object of mass m is hanging by a string from the roof of an elevator. We want to compare the tension in the string due to the weight of the object under various conditions. Which statements are true? Choices: True, False. A. If the elevator is moving upwards, and speeding ...
December 10, 2008 by Sandhya

Physics
A guitar string has a tension of 100 N and is supposed to have a frequency of 110 Hz. When a standard tone of that value is sounded while the string is plucked, a beat frequency of 2 Hz is heard. The peg holding the string is loosened (decreasing the tension) and the beat ...
February 3, 2013 by Ryan

physics
three identical blocks are pulled on a horizontal frictionless surface. if the tension in the rope held by the habd is 30N what is the tension in the other ropes?
February 2, 2011 by joy

Physics
A standing wave is set up in a string of variable length and tension by a vibrator of variable frequency. Both ends of the string are fixed. When the vibrator has a frequency fA, in a string of length LA and under tension TA, nA antinodes are set up in the string. (a) Write an...
December 5, 2013 by Anonymous

physics
The figure shows two 1.00kg blocks connected by a rope. A second rope hangs beneath the lower block. Both ropes have a mass of 250g . The entire assembly is accelerated upward at 3.00m/s2 by force F. What is F? What is the tension at the top end of rope 1? What is the tension ...
November 4, 2013 by Anonymous

Physics
A particular steel guitar string has mass per unit length of 1.79 g/m. and tension of 61.9 N. For the wave speed to be increased by 1.9%, how much should the tension be changed? I tried increasing the wave speed (186 m/s) by 1.9%, plug that into v=sqrt(T/linear mass density), ...
July 17, 2012 by Bruce

Physics
In the figure below the left hand calbe has a tension T1 and makes an angle of 42 with the horizontal. the right hand calbe as a tension T3 and makes an angle of 47 with the horizontal. The horizontal cable connecting the two masses has a tension of 37 N. Determine the mass M2.
September 15, 2010 by Josh

physics
An elevator with a wieght of 27.8 kN is given an upward acceleration of 1.22 m/s^2 by a cable. a) what is the tension in the cable. b) what is the tension when the elevator is declerating at the rate of 1.22m/s^2 but is still moving upwards? what exactly is a kN? to find the ...
November 13, 2006 by Chris

physics
An 76 kg construction worker sits down 2.0 m from the end of a 1440 kg steel beam to eat his lunch. The cable supporting the beam is rated at 15,000 N. Should the worker be worried? Determine the tension in the cable. i.imgur. com/Qfhkd. gif I can't figure it out.. I know I ...
October 21, 2012 by kev

physics
A rock is suspended by a light string. When the rock is in air, the tension in the string is 43.8 . When the rock is totally immersed in water, the tension is 26.2 . When the rock is totally immersed in an unknown liquid, the tension is 18.8 .
May 31, 2013 by lungani

physics
A guitar string 60 cm in length, with a diameter of 1.4 mm and a tension of 289 N, emits a note with a frequence of 147 Hz. Find the frequency in each of the followig situations: a)the tension isreduced to 196N b)a string of the same material, 45 cm long and 1mm in diameter ...
January 2, 2010 by Sarah N H

Physics
The clothesline is under tension when you hang from it. Why is the tension greater when the clothesline is strung horizontally than whe is hangs vertically?
November 4, 2010 by Kelsea

Physics-Please Help Me!!
5.Assuming the surface tension of water is .073 N/m, what is the force required to overcome the surface tension?
November 15, 2010 by Amber

Physics
Given that the tension T1=20N calculate the tension T2 and the mass of the hanging object. The angles of the strings with the ceiling are 25 degrees and 40 degrees respectively.
September 25, 2012 by Lexy

Mathematic
. The number of vibrations per second made when a stretched wire is plucked varies directly as the square root of the tension in the wire and inversely as the length. If a 1.23 m long wire will vibrate 325 times each second when the tension is 115 N, determine the number of ...
November 22, 2011 by Robert

Physics
5.Assuming the surface tension of water is .073 N/m, what is the force required to overcome the surface tension?
November 15, 2010 by Amber

physics
5.Assuming the surface tension of water is .073 N/m, what is the force required to overcome the surface tension?
November 15, 2010 by Amber

science
what 2 forces act on a person jumping on a trampoline a-lift and tension b-tension and gravity c-friction and drag d-compression and friction right answr b
April 30, 2013 by hh

Physics
A string of mass 0.0003 kg/m and 0.5m long is vibrating 200 cycles per second. What must be the tension? What hanging mass would produce the tension?
April 16, 2013 by Chris

physics
The wave speed on a string is 148.9 m/s when the tension is 73.4 N. What tension will give a speed 184.9 m/s?
November 21, 2008 by Anonymous

Physics
The wave speed on a string is 146 m/s when the tension is 70.0 N. What tension will give a speed of 183 m/s?
November 25, 2010 by Michael

Physics (Tension)
A uniform plank of length 2.00 m and mass 35.0 kg is supported by three ropes, as indicated by the blue vectors in the figure below. Find the tension in each rope when a 690-N person is d = 0.725 m from the left end.
November 7, 2012 by Alex Baker

physics
A person pulls a toboggan for a distance of 34.6 m along the snow with a rope directed 29.3 above the snow. The tension in the rope is 110 N. (a) How much work is done on the toboggan by the tension force? (b) How much work is done if the same tension is directed parallel to...
October 4, 2012 by Rob

physics
Two identical guitar strings under 108 N of tension sound tones with frequencies of 528 Hz. The peg of one string slips slightly, and the tension in it drops to 91.0 N. How many beats per second are heard?
December 3, 2014 by Jeanette

physics
A person pulls a toboggan for a distance of 40.0 m along the snow with a rope directed 15.0 above the snow. The tension in the rope is 69.0 N. (a) How much work is done on the toboggan by the tension force? (b) How much work is done if the same tension is directed parallel to...
February 19, 2008 by Zach

physics
A person pulls a toboggan for a distance of 20.0 m along the snow with a rope directed 25.0 above the snow. The tension in the rope is 85.0 N. (a) How much work is done on the toboggan by the tension force? (b) How much work is done if the same tension is directed parallel to...
October 23, 2010 by Xavier

Physics
A person pulls a toboggan for a distance of 30.0 m along the snow with a rope directed 15.0 above the snow. The tension in the rope is 99.0 N. (a) How much work is done on the toboggan by the tension force? (b) How much work is done in the same tension is directed parallel to...
November 12, 2010 by Veronica

Physics
Two identical violin strings, when i tune and stretched with the same tension, have a fundamental frequency of 440Hz. One of the strings is retuned by adjusting the tension. When both strings are pluckes simultaneously, after one has been retuned, 1.5 beats per second are ...
March 29, 2008 by Amanda

physics
Three boxes are connected by cords, one of which (mA) wraps over a pulley having negligible friction on its axle and negligible mass and two boxes (mB & mC) are hanging. The masses are mA = 22.0 kg, mB = 40.0 kg, mC = 16.0 kg. -When the assembly is released from rest, what is ...
February 8, 2007 by **chocolatekisses

physics
Two identical mandolin strings under 200 N of tension are sounding tones with frequencies of 577 Hz. The peg of one string slips slightly, and the tension in it drops to 190 N. How many beats per second are heard?
April 21, 2008 by Chris Adison

physics
Two identical mandolin strings under 200 N of tension are sounding tones with frequencies of 577 Hz. The peg of one string slips slightly, and the tension in it drops to 190 N. How many beats per second are heard?
April 21, 2008 by Chris Adison

Last physics help question (my thoughts given)
A 160-N child sits on a light swing and is pulled back and held with a horizontal force of 100N. The tension force of each of the two supporting ropes is: a) 60N b) 94N c) 120N d) 190N e) 260N work: weight is down, the pull is back, so the tension must act at an angle to ...
December 11, 2006 by diane

Physics
The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 72.4-kg person straight up by means of a cable. The person has an upward acceleration ...
February 26, 2013 by Randy

physics
The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 85.8-kg person straight up by means of a cable. The person has an upward acceleration ...
November 4, 2013 by Anonymous

physics
find the tension in an elevator cable which must support a 4000 N elevator with a maximum upward acceleration of 2 g's. What would be the tension if the elevator were allowed to accelerate downward at .25g's?
April 23, 2012 by Syd

Physics 2
A 3.0-g string, 0.14 m long, is under tension. The string produces a 200-Hz tone when it vibrates in the third harmonic. The speed of sound in air is 344 m/s. Find the tension in the string.
September 29, 2013 by Heather

physics
a .20 kg ball on a string is whirled on vertical circle at constant speed. When the ball is at 3:00 position, tension is 16 N. a) is centripetal force acting on ball the same at each point on the circle? b) when the ball is at 3:00, what is proving the centripetal force: ...
February 12, 2012 by Sejul

Physics Question (Tension)?
A solid object can be deformed in three fundamental ways. A roof is held up by support columns inside the building. The deformation of the column caused by the roof is A. Compression and Tension B. Shear C. Bulk
March 26, 2012 by M

physics
Consider the 668 N weight held by two cables shown below. The left-hand cable had tension T2 and makes an angle of pheta 2 with the ceiling. The right-handed cable had tension 550 N and makes an angle 45 degrees with the ceiling. The right hand cable makes an angle of 45 ...
February 2, 2011 by mazine

physics
A person is to be released from rest on a swing pulled away from the vertical by an angle of 15.8. The two frayed ropes of the swing are 2.75 m long, and will break if the tension in either of them exceeds 350 N. What is the maximum weight the person can have and not break ...
May 24, 2007 by micole

Physics HELPPP PLEASEEE
A 0.60 kg sphere rotates around a vertical shaft supported by two strings, as shown. If the tension in the upper string is 18 N. Calculate the tension in the lower string? the rotation rate (in rev/min) of the system?
May 19, 2013 by Joeline

physics
A doubly tethered model airplane of mass 1.0 kg is attached to a vertical rod by two very light strings that are 2.0 each in length. the airplane and the the strings rotate in a horizontal circleabout the rod with both the strings remaining taut.The attachment points of the ...
October 30, 2007 by Sam

physics
explain how you can change the tension of a vibrating string. you can probably change the tension by keeping the rate of the vibration constant and shortening the length of the string.
October 30, 2006 by alejandra

Physics
An empty elevator of mass 2.7x10^2kg is pulled upward by a cable at an acceleration of 1.2m/s. What is the tension in the cable? What would the tension be if the elevator were accelerating downward at 1.2m/s^2?
October 14, 2010 by Jill

PHYSICS
Let say I have a chandelier that hangs from the ceiling. My chandelier weighs 75kg, how much tension is in the cable that connects it to the ceiling? what is the formula for this and how do I figure out the tension?
February 5, 2012 by GRISSELL

Physics repost please help
The mass of a string is 6.0 x 10^-3 kg, and it is stretched so the tension in it is 195 N. A transverse wave traveling on this string has a frequency of 260 Hz and a wavelength of 0.60 m. What is the length of the string? Isn't wavespeed= sqrt(Tension/(mass/length)) you know ...
April 27, 2007 by Mary

Physics
A 25.0 Kg sled with a rope attached is being pulled down a slope with a 21 degree angle. There is an 8 Kg box on the sled.The tension gradually increases. At what value of tension does the box slip?
November 8, 2010 by Janice

math
Two squirrels are sitting on a rope as shown. The tension in segment BD is TBD = 6.3 lb at an angle of ϕ = 47 degrees. The tension in segment AB is TAB = 5.229 lb. Find the weight of the squirrel at B and the angle α.
December 6, 2013 by nick

Physics
Two ropes are attached to a wagon, one horizontal to the west with a tension force of 30 N, and the other east and at an angle of 30 northward and a tension force of 40 N. Find the components of the net force on the cart. Show all your work.
December 10, 2011 by Jay

Pre-Calc/Trig
1. Find all possible values of k so that (3,5), (5,-1), and (k,8) are the vertices of a right triangle 2. Find all points with -x+2y=0 so that (x,y) is 5 units from (-1,4) 3. (f(x+h)-f(x))/h for f(x)= -5/(x+2) 4. The frequency of the sound produced by a string is directly ...
April 17, 2011 by Mia

Physics
Consider the 665 N weight held by two cables The left-hand cable had tension T2 and makes an angle of 43◦ with the ceiling. The right-hand cable had tension T1 and makes an angle of 48◦ with the ceiling. What is the tension in the cable T1 slanted at an angle of 48...
March 15, 2012 by Ashley

physics
A rock is suspended by a light string. When the rock is in air, the tension in the string is 38.2 N. When the rock is totally immersed in water, the tension is 28.9 N. When the rock is totally immersed in an unknown liquid, the tension is 17.4 N. What is the density of the ...
November 17, 2013 by Kyleigh

Physics
A yo-yo is spun from rest by pulling on the string with a constant tension of 2.0 N. The radius of the inner rod on which the string is strung round is 0.50 cm. The tension is applied for 5.0 seconds after which the yo-yo is observed to spin with an angular velocity of 15 rad/...
May 18, 2014 by Bob

physics
Consider the 45 N weight held by two cables shown below. The left-hand cable is horizon- tal. a) What is the tension in the cable slanted at an angle of 50? Answer in units of N. 007 (part 2 of 2) 10.0 points b)What is the tension in the horizontal cable?
January 17, 2011 by cole

Physics
Determine the tension in the string at the top and bottom of its path when a 0.3 kg yo-yo is whirled in a vertical circle of radius 0.5 m at 2.5 m/s. I'm sure I can solve this, I just can't find the equation for tension. The only equation I could find in my book is if ...
December 13, 2009 by Rudy

Physics
A weight of 690 N is held by two cables. The left-hand cable had tension T2 and makes an angle of 41◦ with the ceiling. The right-hand cable had tension T1 and makes an angle of 42◦ with the ceiling. What is the tension in the cable labeled T1 slanted at an angle ...
December 8, 2014 by Jack

Physics
I wondered if someone would check my work concerning an Atwood's Machine. (I am led to believe the answers for these two questions should be the same but I'm not coming out that way.)Thank you! 8.) Caluclate the tension in the Atwood's Machine string for the case when m2 is ...
September 22, 2012 by Miaow

Physics
Note: I am in Algebra-based Physics Two 35.0 N weights are suspended at opposite ends of a rope that passes over a light, frictionless pulley. The pulley is attached to a chain that is fastened to the ceiling. Start solving this problem by making a free-body diagram of each ...
September 30, 2006 by Josie

Physics- tension
An 63 kg construction worker is sitting 2.0 m from the end of a 1435 kg steel beam to think about the state of the world. Find the tension in the cable that is supporting the beam. Am I required to use the formula T1=sin(theta)*m*g? I am not sure if the problem is similar to a...
November 11, 2014 by Chris

Physics help
I'm trying to calculate the tension in a rope. The two ropes are holding up a picture frame that is 100N, each rope is at a 45 degree angle. I'm trying to find the value of the tension of the 1st rope. Please help
January 10, 2014 by unknown

Forces w/ tension
Assume that three blocks portrayed below move on a frictionless surface and that a 42 N force acts on the 3.0 kg block. Determine (a) the acecleration given the system, (b) the tension inthe cord connecting the 3.0kg and the 1.0 kg blocks, and (c) the force exerted by the 1....
December 7, 2006 by Armando

physical chemistry
how can i get the critical temperature of CO2 given a set of data which consists of surface tension and density at different temperatures. The table looks like this: T(oC) density surface tension 0 0.927 4.50 20 0.772 1.16 I really need some help about this...please...
July 5, 2008 by kkk

Physics
A 17.0 kg monkey hangs from a cord suspended from the ceiling of an elevator. The cord can withstand a tension of 220N and breaks as the elevator accelerates. What was the elevator's minimum acceleration (magnintude and direction)? Please show me how to do this in addition to ...
January 2, 2007 by Kelly

physics
Transverse waves with a speed of 50.0 m/s are to be produced on a stretched string. A 5.00m length of string with a total of 60 grams is used. a) what is the required tension in the string? b) calculate the wave speed in the string if the tension is 8.00n.
May 11, 2010 by yolanda

Physics
A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope? (B) what is the acceleration of the weights? (c) what is the tension on the chain?
June 2, 2014 by Anonymous

Physics
A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope? (B) what is the acceleration of the weights? (c) what is the tension on the chain?
June 3, 2014 by Anonymous

Physics
A person pulls a toboggan for a distance of 37.2 m along the snow with a rope directed 25.4 above the snow. The tension in the rope is 84.1 N. How much work is done on the toboggan by the tension force?
April 30, 2010 by Fallon

physics
A person pulls a toboggan for a distance of 30.0 m along the snow with a rope directed 20.0 above the snow. The tension in the rope is 85.0 N. (a) How much work is done on the toboggan by the tension force?
December 4, 2010 by Anonymous

Grade 12
a 4.0kg block is attached to a vertical rod by two strings.when the system rotates about the axis of the the rod,the strings extend.What is the tension in the lower cord if tension on upper cord is 60N ?
October 17, 2014 by Tasnia Elahi

phsyics
An elevator with a weight of 27.9 kN is given an upward acceleration of 1.46 m/s2 by a cable. (a) Calculate the tension in the cable. (b)What is the tension when the elevator is decelerating at the rate of 1.46 m/s2 but is still moving upward?
September 23, 2010 by harrypotter

phsyics
An elevator with a weight of 27.9 kN is given an upward acceleration of 1.46 m/s2 by a cable. (a) Calculate the tension in the cable. (b)What is the tension when the elevator is decelerating at the rate of 1.46 m/s2 but is still moving upward?
September 23, 2010 by harrypotter

physics
A 3.60 kg object is attached to a vertical rod by two strings as in the figure below. The object rotates in a horizontal circle at constant speed 7.15 m/s. (a) Find the tension in the upper string. N (b) Find the tension in the lower string. N
October 18, 2011 by jones

Math- Help!!
A local tennis pro-shop strings tennis rackets at the tension (pounds per square inch) requested by the customer. Recently a customer made a claim that the pro-shop consistently strings rackets at lower tensions, on average, than requested. To support this claim, the customer ...
December 12, 2009 by Cyndi

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